Across
- 3. A fundamental property of matter that causes subatomic particles to experience a force when placed in an electromagnetic field
- 7. A Fundamental subatomic particle with a negative electrical charge
- 8. The exact number of protons found in the nucleus of an atom
- 10. A subatomic particles found within the nucleus of every atom
Down
- 1. The electrons located in the outermost shell of an atom
- 2. Atoms of the same chemical element that have the same number of protons but different numbers of neutrons
- 4. A Fundamental subatomic particle with a positive electrical charge
- 5. The basic building block of all matter in the universe
- 6. An atom or molecule with a net electrical charge
- 9. The total number of protons and neutrons in an atomic nucleus